20495937

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 34513920

約数和(自身を除く): 14017983

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 1069, 1743, 2739, 3207, 6391, 7483, 11759, 19173, 22449, 35277, 82313, 88727, 246939, 266181, 621089, 975997, 1863267, 2927991, 6831979, 20495937]

約数ペア:

[(1, 20495937), (3, 6831979), (7, 2927991), (11, 1863267), (21, 975997), (33, 621089), (77, 266181), (83, 246939), (231, 88727), (249, 82313), (581, 35277), (913, 22449), (1069, 19173), (1743, 11759), (2739, 7483), (3207, 6391)]